Bell Housing: Service and Repair

Flywheel Housing Replacement

Special Tools

J 37228 Seal Cutter

Removal Procedure




1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) (Service and Repair)Cooling System Draining and Filling (Static Fill) (Service and Repair).
2. Remove the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement (Service and Repair).
3. Remove the turbocharger oil return pipe nuts from the top of the flywheel housing.
4. Remove the oil cooler adapter studs and nuts from the flywheel housing.




5. Remove the upper oil pan. Refer to Upper Oil Pan Replacement ().
6. Remove the oil filter.




7. Remove the flywheel housing bolts, denoted by the black circles.
8. Separate the flywheel from the cylinder block using J 37228 .
9. Remove the flywheel housing.




10. Remove the turbocharger oil return pipe gasket from the flywheel housing.
11. Remove the oil cooler adapter bolts.
12. Remove the oil cooler adapter and gaskets.
13. If required, clean and inspect the flywheel housing. Refer to Flywheel Housing Cleaning and Inspection ().

Installation Procedure




1. Install NEW O-ring seals to the flywheel housing, if necessary.




2. Apply a 2 mm (1/8 in) wide bead of sealant (3) to the flywheel housing sealing surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the correct part number.




3. Install a NEW oil cooler adapter gasket.
4. Install a NEW oil cooler adapter to flywheel housing gasket.
5. Install the oil cooler adapter to the flywheel housing.

Caution: Refer to Fastener Caution (Fastener Caution).

6. Install the oil cooler adapter bolts.

Tighten the bolts/nuts to 21 Nm (15 lb ft).




7. Install the flywheel housing bolts, denoted by the black circles.

Tighten the bolts to 90 Nm (67 lb ft).




8. Install the oil cooler adapter studs and nuts to the flywheel housing.

* Tighten the oil cooler adapter studs to 10 Nm (89 lb in).
* Tighten the oil cooler adapter nuts to 25 Nm (18 lb ft).




9. Install the oil filter.
10. Install the upper oil pan. Refer to Upper Oil Pan Replacement ().
11. Install a NEW gasket to the turbocharger oil return pipe.
12. Install the turbocharger oil return pipe to flywheel housing nuts.

Tighten the nuts to 21 Nm (15 lb ft).

13. Install the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement (Service and Repair).
14. Fill the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) (Service and Repair)Cooling System Draining and Filling (Static Fill) (Service and Repair).